/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraWorldManager.h
void Tick ( ETickingGroup TickGroup, float DeltaSeconds, ELevelTick TickType, [ENamedThreads::Type](API\Runtime\Core\Async\ENamedThreads__Type) CurrentThread, const FGraphEventRef & MyCompletionGraphEvent )